Masafumi is Director in charge of Strategic Planning at Buzan Centre Worldwide Japan K.K. (BCWJ). Prior to joining BCWJ, he was Chief Executive Officer at Style Works Group, a management consulting company based in Tokyo.

He read one of Tony Buzan's books when he was a consultant and became a mind mapper. Ever since, he has been using Mind Maps heavily for various purposes. Masafumi believes that major benefits of using Mind Maps include a number of encounters, less stress, and enhanced memory.

Masafumi earned an MA in Economics from Niigata University.